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Inventor
SHIRAHATA MAMORU
JP
2 patents
Patents
2 patents
US5684174A
Nov 4, 1997
Method for purifying O, S-dimethyl N-acetylphosphoramidothioate
SUMITOMO CHEMICAL CO
2 citations
54
US6635770B1
Oct 21, 2003
Process for producing hexahydrothieno (3,4-D)immidazole-2,4-diones
SUMITOMO CHEMICAL CO
0 citations
44